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In this letter, we propose an isophase-based method for human life signal extraction using a stepped-frequency continuous-wave through-the-wall radar. Isophase is the line connected by points of the same phase value in the slow time range map and is a key feature to distinguish a stationary human from mechanical vibrating targets. First, the isophase is introduced and associated linearly with human...
Multistatic radar system has a great potential for human detection and tracking for its fine localization precision, wide coverage and good observability. T-RN (one transmitting antenna and N receiving antennas) radar system is the most popular multistatic radar structure. In this paper, the localization performance of T-RN radar is evaluated using Cramér-Rao lower bound (CRLB). The localization precision...
Human target detection and tracking have great potential in military, safety, security and entertainment applications. In this paper, a complete processing procedure is proposed for human tracking in foliage-penetration environment by multistatic radar. It consists of five main steps, including clutter suppression, target detection, measurement estimation, target localization and target tracking....
Back Projection imaging algorithm, whose low efficiency reduces its applications in practical projects, could work with highly nonuniform apertures. According to this reason, many scholars have presented some Fast Back Projection algorithms based on sub-aperture method. But how to compensate the motion error after sub-aperture dividing is awaited for further studying. The motion compensation method...
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